/Engine/Source/Runtime/Experimental/GeometryCollectionEngine/Public/GeometryCollection/GeometryCollectionObject.h
Create the simulation data that can be shared among all instances (mass, volume, etc...) Note : this does not check if the simulation data is drty or not and will cause a load from the DDC useCreateSimulationDataIfNeeded()for avoiding extra runtime cost
void CreateSimulationData()